1967.0000000;-0.9389901
1968.0000000;0.1824687
1969.0000000;-0.4203240
1970.0000000;-0.8362773
1971.0000000;-0.9688028
1972.0000000;-0.0987637
1973.0000000;-1.5123293
1974.0000000;-0.9757316
1975.0000000;-0.0579809
1976.0000000;-1.1359259
1977.0000000;0.4779044
1978.0000000;0.4538209
1979.0000000;-0.4272524
1980.0000000;0.2075891
1981.0000000;-0.1605150
1982.0000000;-0.2579843
1983.0000000;-0.3857888
1984.0000000;0.3153561
1985.0000000;-0.5976610
1986.0000000;-1.2925649
1987.0000000;-0.5317583
1988.0000000;-0.0875148
1989.0000000;-1.4946495
1990.0000000;-1.1441040
1991.0000000;-0.8072460
1992.0000000;-0.8596183
1993.0000000;-0.6210390
1994.0000000;-0.3844368
1995.0000000;0.3122117
1996.0000000;-0.2308084
1997.0000000;-0.6495878
1998.0000000;-1.5608606
1999.0000000;-0.6810464
2000.0000000;-0.8892992
2001.0000000;0.8039764
2002.0000000;-0.5613608
2003.0000000;-2.5682607